GLOSSARY
480i/480pDVD+RW
Indicates the number of scanning lines and scanning format ofDVD+RW is a recordable and rewritable disc. DVD+RW use a
an image signal.recording format that is comparable to a DVD-Video format.
480i indicates 480 scanning lines with interlace format, and
480p indicates 480 scanning lines with progressive format.Interlace output
NTSC, the video signal standard, has 480 interlaced (I) scan
Aspect ratiolines, The Interlaced scanning system places lines of the
Aspect ratio refers to the length to height ratio of TV screens.second half of the picture in-between lines of the first half of the
The ratio of a standard TV is 4:3, while the ratio of a high-picture.
definition or wide TV is 16:9. The letter box allows you to enjoy
a picture with a wider perspective.JPEG
A popular file format for still image compression and storage.
BitstreamJPEG stands for ?Joint Photographic Experts Group?. There are
The digital form of multi-channel audio data (e.g., 5.1-channel)two sub-types of the JPEG format as follows.
before it is decoded into its various channels.? Baseline JPEG: used for digital cameras, the web, etc.
? Lossless JPEG: an old type, rarely used now.
Chapter / Title
Chapter is the smallest division and title is the largest divisionLinear PCM audio
on a DVD VIDEO. A chapter is a division of a title and similar toPCM stands for ?Pulse Code Modulation?. Linear PCM is the
a track for Video CD or Audio CD.usual method for digitally encoding audio without compression,
and is used for the audio tracks on DVD VIDEO discs, Audio
Component videoCDs, etc.
Video signals with three channels of separate information that
makes up the picture. There are some types of componentMP3
video, such as R/G/B and Y/Cb(Pb)/Cr(Pr).MP3 (MPEG1 audio layer 3) is a compressed audio file format.
Files are recognized by their file extension ?.mp3? or ?.MP3?.
Composite video
A single video signal commonly used in most consumer videoMPEG
products that contains all luminance, color, and synchronizationMPEG stands for ?Motion Picture Experts Group?. This is an
information.international standard for compression of moving images.
On some DVDs, digital audio has been compressed and
recorded in this format.
Dolby Digital?
A six-channel system consisting of left, center, right, left rear,
right rear and LFE (Low-Frequency Effect channel, for use with aNTSC (National Television System Committee)
sub-woofer) channels. It requires a Dolby Digital? decoder,The initials stand for National Television Standards Committee.
either in the player or in an external receiver to regenerate theThis is the committee that established the standards for
sound. All processing is done in the digital domain.television systems in the United States. The NTSC standard
Not all Dolby Digital discs contain six (5.1) channels ofbroadcasts 525 or 480 lines of resolution per second, and 30
information.frames per second of refresh rate, 60 Hz field frequency. NTSC
TV system is widely used in USA, Canada, Latin America and
DTS? (Digital Theater Systems)Taiwan etc.
DTS? stands for Digital Theater Systems. DTS? is a Digital
Surround audio encoding format configured with six (5.1)PAL (Phase Alternation by Line)
channels, similar to Dolby Digital? . It requires a DTS? decoder,PAL (Phase Alteration Line) is the color television broadcast
either in the player or in an external receiver to regenerate thestandard throughout the Western Europe (except in France,
sound. All processing is done in the digital domain.where SECAM is the standard), Australia, China, Singapore and
Not all DTS discs contain six (5.1) channels of information.Malaysia etc. It has 625 lines of vertical resolution per second
and 25 frames per second refresh rate, 50 Hz field frequency.
DVD-R
DVD-R is a recordable disc that is the same size as a DVD-PBC
Video. Contents can be recorded only once to a DVD-R,and willPlayback Control. A special feature on a Video CD or Super
have the same format as a DVD-Video.VCD that enables interactive use.
DVD-RWS-Video
DVD-RW is a recordable and rewritable disc that is the sameA video signal which improves picture quality over standard
size as a DVD-Video. DVD-RW has two different modes: VRcomposite connections. Used on Super VHS, DVD, high end TV
mode and Video mode.DVD created in video mode has themonitors, etc.
same format as a DVD-Video ,while discs created in VR(Video
Recording)mode allow the contents to be programmed or editedTrack
SVCD, VCD, Audio CD discs use tracks to divide up the content
DVD+Rof a disc.
DVD+R is a recordable disc that is the same size as a DVD-
Video. Contents can be recorded only once to a DVD+R,and will
have the same format as a DVD-Video.
44 |
ACEC
